Ice pack



FIG. 1 is a perspective view of an ice pack, showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical;

FIG. 3 is a side elevational view thereof, with the article in use condition, the opposite side elevational view being a mirror image;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for ice pack, as shown and described. 